Vulcanized fibre for electrical purposes - Specifications for individual materials. Sheet 1. Flat sheets Ingestion-build-232773 BS 4636-3 specifies punching the

BS 4636-3 specifies punching the twelve available positions of a given column of a punched card in the following way: positions 12

After-treatments

BS EN 60335-2-16 standard recognizes the internationally accepted level of protection against hazards such as electrical

Electric shock

Vulcanized fibre for electrical purposes - Specifications for individual materials. Sheet 1. Flat sheets Ingestion-build-232773 BS 4636-3 specifies punching the1 Scope This part of IEC 60667 gives requirements for vulcanized fibre sheets for electrical purposes. Materials made by combining with an adhesive several thicknesses of vulcanized fibre are not covered by this document. Materials that conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in